1 /* Copyright (c) 2013-2015. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
9 #include "src/surf/trace_mgr.hpp"
10 #include "src/surf/platform.hpp"
12 #ifndef SURF_MODEL_CPUTI_H_
13 #define SURF_MODEL_CPUTI_H_
15 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_cpu_ti, surf_cpu,
16 "Logging specific to the SURF CPU TRACE INTEGRATION module");
22 void cpu_ti_action_update_index_heap(void *action, int i)
24 ((simgrid::surf::CpuTiAction*)action)->updateIndexHeap(i);
31 CpuTiTrace::CpuTiTrace(tmgr_trace_t speedTrace)
38 p_timePoints = (double*) xbt_malloc0(sizeof(double) *
39 (xbt_dynar_length(speedTrace->event_list) + 1));
40 p_integral = (double*) xbt_malloc0(sizeof(double) *
41 (xbt_dynar_length(speedTrace->event_list) + 1));
42 m_nbPoints = xbt_dynar_length(speedTrace->event_list) + 1;
43 xbt_dynar_foreach(speedTrace->event_list, cpt, val) {
44 p_timePoints[i] = time;
45 p_integral[i] = integral;
46 integral += val.delta * val.value;
50 p_timePoints[i] = time;
51 p_integral[i] = integral;
54 CpuTiTrace::~CpuTiTrace()
56 xbt_free(p_timePoints);
60 CpuTiTgmr::~CpuTiTgmr()
67 * \brief Integrate trace
69 * Wrapper around surf_cpu_integrate_trace_simple() to get
72 * \param trace Trace structure.
73 * \param a Begin of interval
74 * \param b End of interval
75 * \return the integrate value. -1 if an error occurs.
77 double CpuTiTgmr::integrate(double a, double b)
84 if ((a < 0.0) || (a > b)) {
86 ("Error, invalid integration interval [%.2f,%.2f]. You probably have a task executing with negative computation amount. Check your code.",
93 if (m_type == TRACE_FIXED) {
94 return ((b - a) * m_value);
97 if (ceil(a / m_lastTime) == a / m_lastTime)
98 a_index = 1 + (int) (ceil(a / m_lastTime));
100 a_index = (int) (ceil(a / m_lastTime));
102 b_index = (int) (floor(b / m_lastTime));
104 if (a_index > b_index) { /* Same chunk */
105 return p_trace->integrateSimple(a - (a_index -
112 first_chunk = p_trace->integrateSimple(a - (a_index -
116 middle_chunk = (b_index - a_index) * m_total;
117 last_chunk = p_trace->integrateSimple(0.0,
122 XBT_DEBUG("first_chunk=%.2f middle_chunk=%.2f last_chunk=%.2f\n",
123 first_chunk, middle_chunk, last_chunk);
125 return (first_chunk + middle_chunk + last_chunk);
129 * \brief Auxiliary function to compute the integral between a and b.
130 * It simply computes the integrals at point a and b and returns the difference between them.
131 * \param trace Trace structure
132 * \param a Initial point
133 * \param b Final point
136 double CpuTiTrace::integrateSimple(double a, double b)
138 return integrateSimplePoint(b) - integrateSimplePoint(a);
142 * \brief Auxiliary function to compute the integral at point a.
143 * \param trace Trace structure
147 double CpuTiTrace::integrateSimplePoint(double a)
152 ind = binarySearch(p_timePoints, a, 0, m_nbPoints - 1);
153 integral += p_integral[ind];
155 ("a %f ind %d integral %f ind + 1 %f ind %f time +1 %f time %f",
156 a, ind, integral, p_integral[ind + 1], p_integral[ind],
157 p_timePoints[ind + 1], p_timePoints[ind]);
158 double_update(&a_aux, p_timePoints[ind], sg_maxmin_precision*sg_surf_precision);
161 ((p_integral[ind + 1] -
162 p_integral[ind]) / (p_timePoints[ind + 1] -
163 p_timePoints[ind])) * (a - p_timePoints[ind]);
164 XBT_DEBUG("Integral a %f = %f", a, integral);
170 * \brief Computes the time needed to execute "amount" on cpu.
172 * Here, amount can span multiple trace periods
174 * \param trace CPU trace structure
175 * \param a Initial time
176 * \param amount Amount to be executed
179 double CpuTiTgmr::solve(double a, double amount)
183 double reduced_amount;
187 /* Fix very small negative numbers */
188 if ((a < 0.0) && (a > -EPSILON)) {
191 if ((amount < 0.0) && (amount > -EPSILON)) {
196 if ((a < 0.0) || (amount < 0.0)) {
198 ("Error, invalid parameters [a = %.2f, amount = %.2f]. You probably have a task executing with negative computation amount. Check your code.",
203 /* At this point, a and amount are positive */
205 if (amount < EPSILON)
208 /* Is the trace fixed ? */
209 if (m_type == TRACE_FIXED) {
210 return (a + (amount / m_value));
213 XBT_DEBUG("amount %f total %f", amount, m_total);
214 /* Reduce the problem to one where amount <= trace_total */
215 quotient = (int) (floor(amount / m_total));
216 reduced_amount = (m_total) * ((amount / m_total) -
217 floor(amount / m_total));
218 reduced_a = a - (m_lastTime) * (int) (floor(a / m_lastTime));
220 XBT_DEBUG("Quotient: %d reduced_amount: %f reduced_a: %f", quotient,
221 reduced_amount, reduced_a);
223 /* Now solve for new_amount which is <= trace_total */
225 fprintf(stderr,"reduced_a = %.2f\n",reduced_a);
226 fprintf(stderr,"reduced_amount = %.2f\n",reduced_amount);
228 reduced_b = solveSomewhatSimple(reduced_a, reduced_amount);
230 /* Re-map to the original b and amount */
231 b = (m_lastTime) * (int) (floor(a / m_lastTime)) +
232 (quotient * m_lastTime) + reduced_b;
237 * \brief Auxiliary function to solve integral
239 * Here, amount is <= trace->total
240 * and a <=trace->last_time
243 double CpuTiTgmr::solveSomewhatSimple(double a, double amount)
245 double amount_till_end;
248 XBT_DEBUG("Solve integral: [%.2f, amount=%.2f]", a, amount);
249 amount_till_end = integrate(a, m_lastTime);
251 fprintf(stderr,"amount_till_end=%.2f\n",amount_till_end);
254 if (amount_till_end > amount) {
255 b = p_trace->solveSimple(a, amount);
257 b = m_lastTime + p_trace->solveSimple(0.0, amount - amount_till_end);
263 * \brief Auxiliary function to solve integral.
264 * It returns the date when the requested amount of flops is available
265 * \param trace Trace structure
266 * \param a Initial point
267 * \param amount Amount of flops
268 * \return The date when amount is available.
270 double CpuTiTrace::solveSimple(double a, double amount)
275 integral_a = integrateSimplePoint(a);
276 ind = binarySearch(p_integral, integral_a + amount, 0, m_nbPoints - 1);
277 time = p_timePoints[ind];
279 (integral_a + amount -
280 p_integral[ind]) / ((p_integral[ind + 1] -
282 (p_timePoints[ind + 1] -
289 * \brief Auxiliary function to update the CPU speed scale.
291 * This function uses the trace structure to return the speed scale at the determined time a.
292 * \param trace Trace structure to search the updated speed scale
294 * \return CPU speed scale
296 double CpuTiTgmr::getPowerScale(double a)
302 reduced_a = a - floor(a / m_lastTime) * m_lastTime;
303 point = p_trace->binarySearch(p_trace->p_timePoints, reduced_a, 0,
304 p_trace->m_nbPoints - 1);
305 xbt_dynar_get_cpy(p_speedTrace->event_list, point, &val);
310 * \brief Creates a new integration trace from a tmgr_trace_t
312 * \param speedTrace CPU availability trace
313 * \param value Percentage of CPU speed available (useful to fixed tracing)
314 * \param spacing Initial spacing
315 * \return Integration trace structure
317 CpuTiTgmr::CpuTiTgmr(tmgr_trace_t speedTrace, double value)
319 double total_time = 0.0;
324 /* no availability file, fixed trace */
326 m_type = TRACE_FIXED;
328 XBT_DEBUG("No availability trace. Constant value = %f", value);
332 /* only one point available, fixed trace */
333 if (xbt_dynar_length(speedTrace->event_list) == 1) {
334 xbt_dynar_get_cpy(speedTrace->event_list, 0, &val);
335 m_type = TRACE_FIXED;
340 m_type = TRACE_DYNAMIC;
341 p_speedTrace = speedTrace;
343 /* count the total time of trace file */
344 xbt_dynar_foreach(speedTrace->event_list, cpt, val) {
345 total_time += val.delta;
347 p_trace = new CpuTiTrace(speedTrace);
348 m_lastTime = total_time;
349 m_total = p_trace->integrateSimple(0, total_time);
351 XBT_DEBUG("Total integral %f, last_time %f ",
352 m_total, m_lastTime);
356 * \brief Binary search in array.
357 * It returns the first point of the interval in which "a" is.
359 * \param a Value to search
360 * \param low Low bound to search in array
361 * \param high Upper bound to search in array
362 * \return Index of point
364 int CpuTiTrace::binarySearch(double *array, double a, int low, int high)
366 xbt_assert(low < high, "Wrong parameters: low (%d) should be smaller than"
367 " high (%d)", low, high);
371 mid = low + (high - low) / 2;
372 XBT_DEBUG("a %f low %d high %d mid %d value %f", a, low, high, mid,
380 while (low < high - 1);
392 void surf_cpu_model_init_ti()
394 xbt_assert(!surf_cpu_model_pm,"CPU model already initialized. This should not happen.");
395 xbt_assert(!surf_cpu_model_vm,"CPU model already initialized. This should not happen.");
397 surf_cpu_model_pm = new simgrid::surf::CpuTiModel();
398 xbt_dynar_push(all_existing_models, &surf_cpu_model_pm);
400 surf_cpu_model_vm = new simgrid::surf::CpuTiModel();
401 xbt_dynar_push(all_existing_models, &surf_cpu_model_vm);
403 simgrid::surf::on_postparse.connect([]() {
404 surf_cpu_model_pm->addTraces();
411 CpuTiModel::CpuTiModel() : CpuModel()
413 p_runningActionSetThatDoesNotNeedBeingChecked = new ActionList();
415 p_modifiedCpu = new CpuTiList();
417 p_tiActionHeap = xbt_heap_new(8, NULL);
418 xbt_heap_set_update_callback(p_tiActionHeap,
419 cpu_ti_action_update_index_heap);
422 CpuTiModel::~CpuTiModel()
424 surf_cpu_model_pm = NULL;
425 delete p_runningActionSetThatDoesNotNeedBeingChecked;
426 delete p_modifiedCpu;
427 xbt_heap_free(p_tiActionHeap);
430 Cpu *CpuTiModel::createCpu(simgrid::s4u::Host *host,
431 xbt_dynar_t speedPeak,
434 tmgr_trace_t speedTrace,
437 tmgr_trace_t stateTrace)
439 xbt_assert(core==1,"Multi-core not handled with this model yet");
440 xbt_assert(xbt_dynar_getfirst_as(speedPeak, double) > 0.0,
441 "Speed has to be >0.0. Did you forget to specify the mandatory speed attribute?");
442 CpuTi *cpu = new CpuTi(this, host, speedPeak, pstate, speedScale, speedTrace,
443 core, initiallyOn, stateTrace);
447 double CpuTiModel::shareResources(double now)
449 double min_action_duration = -1;
451 /* iterates over modified cpus to update share resources */
452 for(CpuTiList::iterator it(p_modifiedCpu->begin()), itend(p_modifiedCpu->end())
456 ti->updateActionsFinishTime(now);
459 /* get the min next event if heap not empty */
460 if (xbt_heap_size(p_tiActionHeap) > 0)
461 min_action_duration = xbt_heap_maxkey(p_tiActionHeap) - now;
463 XBT_DEBUG("Share resources, min next event date: %f", min_action_duration);
465 return min_action_duration;
468 void CpuTiModel::updateActionsState(double now, double /*delta*/)
470 while ((xbt_heap_size(p_tiActionHeap) > 0)
471 && (xbt_heap_maxkey(p_tiActionHeap) <= now)) {
472 CpuTiAction *action = (CpuTiAction*) xbt_heap_pop(p_tiActionHeap);
473 XBT_DEBUG("Action %p: finish", action);
475 /* set the remains to 0 due to precision problems when updating the remaining amount */
476 action->setRemains(0);
477 action->setState(SURF_ACTION_DONE);
478 /* update remaining amount of all actions */
479 action->p_cpu->updateRemainingAmount(surf_get_clock());
483 void CpuTiModel::addTraces()
485 xbt_dict_cursor_t cursor = NULL;
486 char *trace_name, *elm;
488 static int called = 0;
494 /* connect all traces relative to hosts */
495 xbt_dict_foreach(trace_connect_list_host_speed, cursor, trace_name, elm) {
496 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
497 CpuTi *cpu = static_cast<CpuTi*>(sg_host_by_name(elm)->pimpl_cpu);
499 xbt_assert(cpu, "Host %s undefined", elm);
500 xbt_assert(trace, "Trace %s undefined", trace_name);
502 cpu->set_speed_trace(trace);
509 CpuTi::CpuTi(CpuTiModel *model, simgrid::s4u::Host *host, xbt_dynar_t speedPeak,
510 int pstate, double speedScale, tmgr_trace_t speedTrace, int core,
511 int initiallyOn, tmgr_trace_t stateTrace)
512 : Cpu(model, host, NULL, pstate, core, 0, speedScale, initiallyOn)
514 xbt_assert(core==1,"Multi-core not handled by this model yet");
517 m_speedScale = speedScale;
518 p_availTrace = new CpuTiTgmr(speedTrace, speedScale);
520 p_actionSet = new ActionTiList();
522 xbt_dynar_get_cpy(speedPeak, 0, &m_speedPeak);
523 XBT_DEBUG("CPU create: peak=%f", m_speedPeak);
526 p_stateEvent = future_evt_set->add_trace(stateTrace, 0.0, this);
528 if (speedTrace && xbt_dynar_length(speedTrace->event_list) > 1) {
530 // add a fake trace event if periodicity == 0
531 xbt_dynar_get_cpy(speedTrace->event_list,
532 xbt_dynar_length(speedTrace->event_list) - 1, &val);
533 if (val.delta == 0) {
535 future_evt_set->add_trace(tmgr_empty_trace_new(), p_availTrace->m_lastTime, this);
546 void CpuTi::set_speed_trace(tmgr_trace_t trace)
551 p_availTrace = new CpuTiTgmr(trace, m_speedScale);
553 /* add a fake trace event if periodicity == 0 */
554 if (trace && xbt_dynar_length(trace->event_list) > 1) {
556 xbt_dynar_get_cpy(trace->event_list,
557 xbt_dynar_length(trace->event_list) - 1, &val);
558 if (val.delta == 0) {
559 p_speedEvent = future_evt_set->add_trace(tmgr_empty_trace_new(), 0.0, this);
564 void CpuTi::updateState(tmgr_trace_iterator_t event_type,
565 double value, double date)
569 if (event_type == p_speedEvent) {
570 tmgr_trace_t speedTrace;
574 XBT_DEBUG("Finish trace date: %f value %f date %f", surf_get_clock(),
576 /* update remaining of actions and put in modified cpu swag */
577 updateRemainingAmount(date);
581 speedTrace = p_availTrace->p_speedTrace;
582 xbt_dynar_get_cpy(speedTrace->event_list,
583 xbt_dynar_length(speedTrace->event_list) - 1, &val);
586 m_speedScale = val.value;
588 trace = new CpuTiTgmr(TRACE_FIXED, val.value);
589 XBT_DEBUG("value %f", val.value);
591 p_availTrace = trace;
593 tmgr_trace_event_unref(&p_speedEvent);
595 } else if (event_type == p_stateEvent) {
598 xbt_dynar_push_as(host_that_restart, char*, (char *)getName());
603 /* put all action running on cpu to failed */
604 for(ActionTiList::iterator it(p_actionSet->begin()), itend(p_actionSet->end())
605 ; it != itend ; ++it) {
607 if (action->getState() == SURF_ACTION_RUNNING
608 || action->getState() == SURF_ACTION_READY
609 || action->getState() == SURF_ACTION_NOT_IN_THE_SYSTEM) {
610 action->setFinishTime(date);
611 action->setState(SURF_ACTION_FAILED);
612 if (action->m_indexHeap >= 0) {
613 CpuTiAction *heap_act = (CpuTiAction*)
614 xbt_heap_remove(static_cast<CpuTiModel*>(getModel())->p_tiActionHeap, action->m_indexHeap);
615 if (heap_act != action)
621 tmgr_trace_event_unref(&p_stateEvent);
623 xbt_die("Unknown event!\n");
627 void CpuTi::updateActionsFinishTime(double now)
630 double sum_priority = 0.0, total_area, min_finish = -1;
632 /* update remaining amount of actions */
633 updateRemainingAmount(now);
635 for(ActionTiList::iterator it(p_actionSet->begin()), itend(p_actionSet->end())
636 ; it != itend ; ++it) {
638 /* action not running, skip it */
639 if (action->getStateSet() !=
640 surf_cpu_model_pm->getRunningActionSet())
643 /* bogus priority, skip it */
644 if (action->getPriority() <= 0)
647 /* action suspended, skip it */
648 if (action->m_suspended != 0)
651 sum_priority += 1.0 / action->getPriority();
653 m_sumPriority = sum_priority;
655 for(ActionTiList::iterator it(p_actionSet->begin()), itend(p_actionSet->end())
656 ; it != itend ; ++it) {
659 /* action not running, skip it */
660 if (action->getStateSet() !=
661 surf_cpu_model_pm->getRunningActionSet())
664 /* verify if the action is really running on cpu */
665 if (action->m_suspended == 0 && action->getPriority() > 0) {
666 /* total area needed to finish the action. Used in trace integration */
668 (action->getRemains()) * sum_priority *
669 action->getPriority();
671 total_area /= m_speedPeak;
673 action->setFinishTime(p_availTrace->solve(now, total_area));
674 /* verify which event will happen before (max_duration or finish time) */
675 if (action->getMaxDuration() != NO_MAX_DURATION &&
676 action->getStartTime() + action->getMaxDuration() < action->m_finish)
677 min_finish = action->getStartTime() + action->getMaxDuration();
679 min_finish = action->m_finish;
681 /* put the max duration time on heap */
682 if (action->getMaxDuration() != NO_MAX_DURATION)
683 min_finish = action->getStartTime() + action->getMaxDuration();
685 /* add in action heap */
686 XBT_DEBUG("action(%p) index %d", action, action->m_indexHeap);
687 if (action->m_indexHeap >= 0) {
688 CpuTiAction *heap_act = (CpuTiAction*)
689 xbt_heap_remove(static_cast<CpuTiModel*>(getModel())->p_tiActionHeap, action->m_indexHeap);
690 if (heap_act != action)
693 if (min_finish != NO_MAX_DURATION)
694 xbt_heap_push(static_cast<CpuTiModel*>(getModel())->p_tiActionHeap, action, min_finish);
697 ("Update finish time: Cpu(%s) Action: %p, Start Time: %f Finish Time: %f Max duration %f",
698 getName(), action, action->getStartTime(),
700 action->getMaxDuration());
702 /* remove from modified cpu */
708 return !p_actionSet->empty();
711 double CpuTi::getAvailableSpeed()
713 m_speedScale = p_availTrace->getPowerScale(surf_get_clock());
714 return Cpu::getAvailableSpeed();
717 /** @brief Update the remaining amount of actions */
718 void CpuTi::updateRemainingAmount(double now)
723 /* already updated */
724 if (m_lastUpdate >= now)
727 /* compute the integration area */
728 area_total = p_availTrace->integrate(m_lastUpdate, now) * m_speedPeak;
729 XBT_DEBUG("Flops total: %f, Last update %f", area_total,
732 for(ActionTiList::iterator it(p_actionSet->begin()), itend(p_actionSet->end())
733 ; it != itend ; ++it) {
735 /* action not running, skip it */
736 if (action->getStateSet() !=
737 getModel()->getRunningActionSet())
740 /* bogus priority, skip it */
741 if (action->getPriority() <= 0)
744 /* action suspended, skip it */
745 if (action->m_suspended != 0)
748 /* action don't need update */
749 if (action->getStartTime() >= now)
752 /* skip action that are finishing now */
753 if (action->m_finish >= 0
754 && action->m_finish <= now)
757 /* update remaining */
758 action->updateRemains(area_total / (m_sumPriority * action->getPriority()));
759 XBT_DEBUG("Update remaining action(%p) remaining %f", action,
765 CpuAction *CpuTi::execution_start(double size)
767 XBT_IN("(%s,%g)", getName(), size);
768 CpuTiAction *action = new CpuTiAction(static_cast<CpuTiModel*>(getModel()), size, isOff(), this);
770 p_actionSet->push_back(*action);
777 CpuAction *CpuTi::sleep(double duration)
780 duration = MAX(duration, sg_surf_precision);
782 XBT_IN("(%s,%g)", getName(), duration);
783 CpuTiAction *action = new CpuTiAction(static_cast<CpuTiModel*>(getModel()), 1.0, isOff(), this);
785 action->m_maxDuration = duration;
786 action->m_suspended = 2;
787 if (duration == NO_MAX_DURATION) {
788 /* Move to the *end* of the corresponding action set. This convention
789 is used to speed up update_resource_state */
790 action->getStateSet()->erase(action->getStateSet()->iterator_to(*action));
791 action->p_stateSet = static_cast<CpuTiModel*>(getModel())->p_runningActionSetThatDoesNotNeedBeingChecked;
792 action->getStateSet()->push_back(*action);
795 p_actionSet->push_back(*action);
801 void CpuTi::modified(bool modified){
802 CpuTiList *modifiedCpu = static_cast<CpuTiModel*>(getModel())->p_modifiedCpu;
804 if (!cpu_ti_hook.is_linked()) {
805 modifiedCpu->push_back(*this);
808 if (cpu_ti_hook.is_linked()) {
809 modifiedCpu->erase(modifiedCpu->iterator_to(*this));
818 CpuTiAction::CpuTiAction(CpuTiModel *model_, double cost, bool failed,
820 : CpuAction(model_, cost, failed)
824 p_cpu->modified(true);
827 void CpuTiAction::updateIndexHeap(int i)
832 void CpuTiAction::setState(e_surf_action_state_t state)
834 CpuAction::setState(state);
835 p_cpu->modified(true);
838 int CpuTiAction::unref()
842 if (action_hook.is_linked())
843 getStateSet()->erase(getStateSet()->iterator_to(*this));
844 /* remove from action_set */
845 if (action_ti_hook.is_linked())
846 p_cpu->p_actionSet->erase(p_cpu->p_actionSet->iterator_to(*this));
847 /* remove from heap */
848 xbt_heap_remove(static_cast<CpuTiModel*>(getModel())->p_tiActionHeap, this->m_indexHeap);
849 p_cpu->modified(true);
856 void CpuTiAction::cancel()
858 this->setState(SURF_ACTION_FAILED);
859 xbt_heap_remove(getModel()->getActionHeap(), this->m_indexHeap);
860 p_cpu->modified(true);
864 void CpuTiAction::suspend()
866 XBT_IN("(%p)", this);
867 if (m_suspended != 2) {
869 xbt_heap_remove(getModel()->getActionHeap(), m_indexHeap);
870 p_cpu->modified(true);
875 void CpuTiAction::resume()
877 XBT_IN("(%p)", this);
878 if (m_suspended != 2) {
880 p_cpu->modified(true);
885 void CpuTiAction::setMaxDuration(double duration)
889 XBT_IN("(%p,%g)", this, duration);
891 m_maxDuration = duration;
894 min_finish = (getStartTime() + getMaxDuration()) < getFinishTime() ?
895 (getStartTime() + getMaxDuration()) : getFinishTime();
897 min_finish = getFinishTime();
899 /* add in action heap */
900 if (m_indexHeap >= 0) {
901 CpuTiAction *heap_act = (CpuTiAction*)
902 xbt_heap_remove(getModel()->getActionHeap(), m_indexHeap);
903 if (heap_act != this)
906 xbt_heap_push(getModel()->getActionHeap(), this, min_finish);
911 void CpuTiAction::setPriority(double priority)
913 XBT_IN("(%p,%g)", this, priority);
914 m_priority = priority;
915 p_cpu->modified(true);
919 double CpuTiAction::getRemains()
921 XBT_IN("(%p)", this);
922 p_cpu->updateRemainingAmount(surf_get_clock());
930 #endif /* SURF_MODEL_CPUTI_H_ */